Geek Trivia: Which Bit Of Sci-Fi Technology Was Created To Get Around Network Regulations?

Which Bit Of Sci-Fi Technology Was Created To Get Around Network Regulations?

  1. Stargate's Ma'Tok Staff
  2. Lexx's 790 Robot Head
  3. Star Trek's Hypospray
  4. Doctor Who's Sonic Screwdriver

Think you know the answer?